Thermostat



FIG. 1 is a front perspective view of a thermostat in accordance with the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a front view of another embodiment of a thermostat in accordance with the present invention;

FIG. 4 is a front view of another embodiment of a thermostat in accordance with the present invention;

FIG. 5 is a front view of another embodiment of a thermostat in accordance with the present invention;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof. 

CLAIM The ornamental design for a thermostat, substantially as shown and described. 